Bus AC evaporator blower motor assembly. Replacement 26-19937 or OEM 30000452 Two wheels double shaft. Used in secondary or "rear" shuttle bus AC systems. 12 volt. Three speeds. Used in shuttle bus applications. 12 1/4" long X 5" high X 4 1/2" wide. Counterclockwise Rotation. Find more than blower motors. Please browse our store for all of your shuttle bus parts needs.